<script src="https://unpkg.com/vue@3"></script>

<div id="todo">
  …
</div>

const { createApp } = Vue

createApp({
  data () {
    …
  }
}).mount('#todo')

<script src="https://unpkg.com/petite-vue" defer init></script>

<div v-scope="{ count: 0 }">
  …
</div>

<div v-scope="{ count: 0 }">
  {{ count }}
  <button @click="count++">Increment</button>
</div>

<form id="search">
  …
</form>

import { createApp } from 'https://unpkg.com/petite-vue?module'

createApp({
  results: [],

  async getResults (search) {
    …
  }
}).mount('#search')

<ul>
  <li v-for="item in items">
    {{ item }}
  </li>
</ul>

<ul v-cloak>
  <li v-for="item in items">
    {{ item }}
  </li>
</ul>

[v-cloak] {
  display: none !important;
}